As regards the question of studying operation conditions and introduction of some samples of cables in gas turbine plants of JSC «Motor Sich»
DOI:
https://doi.org/10.15587/1729-4061.2014.27788Keywords:
gas turbine, power plant, termometering, electric cables and thermal pipesAbstract
The study of temperature conditions of thermometering cable runs of ground-based gas turbine plants in order to determine maximum temperatures during continuous operation is given in the paper. Plants include gas turbine drive (GTD), in a compartment of which it is necessary to lay cable lines, where during the rated power operation, air temperature can reach up to 100°C (with places of local overheating above 200°C). Therefore, protection of cable lines from high temperatures is an urgent task.
Testing a number of cables and thermal-insulating pipes for the stated temperature by manufacturers of these products is aimed at recommending the best of them for use in gas turbine plants.
Tests have shown that thermal-insulating tubes of company «SilvynHiprojacket» and «AgrotubeC-HTS», without their internal blowing do not have the necessary thermal-insulating properties since the temperature inside and outside the tested tubes differed by a maximum of 2°C. Therefore, cables Olflexclassic 110 and 180 OlflexHeat sihf, which for a long time can withstand temperatures up to 120°C, at ambient temperature in the GTD compartment from +20°C to +55°C, which is supported by the ACS are recommended for cable lines of gas turbine plants.
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Copyright (c) 2014 Владимир Максимович Снигирев, Алексей Иванович Афанасьев, Владимир Петрович Митин, Алексей Владимирович Куклин
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